The average of consecutive numbers is $n .$ If the next two consecutive numbers are also included, the average of the five numbers will
remain the same
increase by $0.5$
increase by $1$
increase by $1.5$
The sum of five consecutive integers is $a$ and the sum of next five consecutive integers is $b$. Then $\frac{(b-a)}{100}$ is equal to
The average of five consecutive positive integers is $n$. If the next two integers are also included, the average of all these integers will
The average of first nine prime numbers is
The mean of the marks obtained by $100$ students is $60 .$ If the marks obtained by one of the students was incorrectly calculated as $75$ whereas the actual marks obtained by him were $65,$ what is the correct mean of the marks obtained by the students?
In a competitive examination, the average marks obtained was $45 .$ It was later discovered that there was some error in computerization and the marks of $90$ candidates had to be changed from $80$ to $50$ , and the average came down to $40$ marks. The total number of candidates appeared in the examination is